W 3 1 S E R I E S
H I G H P R E S S U R E B R E A T H I N G A I R C O M P R E S S O R
©ALKIN Kompresör Sanayi ve Ticaret Limited Şirketi
47
bore
3.12 EXCESSIVE DISCHARGE AIR TEMPERATURE
Dirty valves / carbon on valves
Remove valves; clean or replace.
Dirty intercoolers and/or cooling
surfaces
Clean cooling surfaces of the cylinders, intercoolers
and aftercooler.
Poor ventilation and air circulation
Relocate the compressor, improve ventilation.
Blown head gasket
Replace the head gasket.
Restricted air intake
Replace the intake filter element.
Worn valves
Repair or replace valves.
Compressor rotating in the wrong
direction
Correct the direction of rotation
Low oil level
Check and refill.
3.13 AIR LEAKING FROM THE INTERSTAGE SAFETY VALVE
Safety valve faulty
Replace the safety valve.
Inlet valve of the next stage leaks
Remove the valves; clean or replace.
Inlet valve of the next stage is broken
Remove the valves; replace.
3.14 CYLINDER PRESSURE BUILDS UP SLOWLY
Restricted air intake
Replace the intake filter element.
Blown cylinder gasket
Install a new gasket.
Worn or broken valves
Replace valves.
Air leaks in the system
Check for leaks; fix the problem
Loose belts
Adjust tension
Low Compressor Speed
Check RPM
3.15 RECEIVER PRESSURE BUILDS UP TOO FAST
Water in the system
Drain the system more often.
High compressor speed
Check RPM
3.16
COMPRESSOR DOESN’T UNLOAD WHEN STOPPED
Automatic drain valves blocked
Check, disassemble and clean the drain valves; install
new o-ring and seat if necessary.
Solenoid valve faulty
Check and replace solenoid valve.
3.17 AUTOMATIC DRAIN VALVES DO NOT DRAIN
Automatic drain valves blocked
Check, disassemble and clean the drain valves; install
new o-ring and seat if necessary.
Solenoid valve faulty
Check and replace solenoid valve.
3.18 AUTOMATIC DRAIN VALVE(S) REMAIN(S) OPEN ALL THE TIME
Low 2
nd
stg. control air pressure
Check the interstage pressures.
Solenoid Valve faulty
Replace solenoid valve.
Blocked drain valve(s)
Clean the drain valve(s).
3.19 COMPRESSOR WILL NOT COME UP TO NOMINAL OPERATING SPEED
Low voltage
Check the line voltage.
Motor and control panel connectors
Check it, tighten if needed.